/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.mpp.plan.statement.sys;

import org.apache.iotdb.db.mpp.plan.statement.StatementVisitor;
import org.apache.iotdb.db.mpp.plan.statement.component.*;
import org.apache.iotdb.db.mpp.plan.statement.metadata.ShowStatement;

import java.time.ZoneId;
import java.util.Collections;
import java.util.List;

public class ShowQueriesStatement extends ShowStatement {

    private WhereCondition whereCondition;

    private OrderByComponent orderByComponent;

    private int rowLimit;
    private int rowOffset;

    private ZoneId zoneId;

    public ShowQueriesStatement() {
    }

    @Override
    public <R, C> R accept(StatementVisitor<R, C> visitor, C context) {
        return visitor.visitShowQueries(this, context);
    }

    public void setWhereCondition(WhereCondition whereCondition) {
        this.whereCondition = whereCondition;
    }

    public WhereCondition getWhereCondition() {
        return whereCondition;
    }

    public void setOrderByComponent(OrderByComponent orderByComponent) {
        this.orderByComponent = orderByComponent;
    }

    public OrderByComponent getOrderByComponent() {
        return orderByComponent;
    }

    public List<SortItem> getSortItemList() {
        if (orderByComponent == null) {
            // default order
            return Collections.singletonList(new SortItem(SortKey.TIME, Ordering.ASC));
        }
        return orderByComponent.getSortItemList();
    }

    public void setRowLimit(int rowLimit) {
        this.rowLimit = rowLimit;
    }

    public int getRowLimit() {
        return rowLimit;
    }

    public void setRowOffset(int rowOffset) {
        this.rowOffset = rowOffset;
    }

    public int getRowOffset() {
        return rowOffset;
    }

    public ZoneId getZoneId() {
        return zoneId;
    }

    public void setZoneId(ZoneId zoneId) {
        this.zoneId = zoneId;
    }
}
